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Java Source Code / Java Documentation » IDE Eclipse » jface » org.eclipse.jface.tests.databinding.scenarios 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*******************************************************************************
002:         * Copyright (c) 2005, 2007 IBM Corporation and others.
003:         * All rights reserved. This program and the accompanying materials
004:         * are made available under the terms of the Eclipse Public License v1.0
005:         * which accompanies this distribution, and is available at
006:         * http://www.eclipse.org/legal/epl-v10.html
007:         *
008:         * Contributors:
009:         *     IBM Corporation - initial API and implementation
010:         *     Brad Reynolds - bug 116920, 159768
011:         *******************************************************************************/package org.eclipse.jface.tests.databinding.scenarios;
012:
013:        import java.text.ParseException;
014:        import java.util.Date;
015:        import java.util.Locale;
016:
017:        import org.eclipse.core.databinding.AggregateValidationStatus;
018:        import org.eclipse.core.databinding.Binding;
019:        import org.eclipse.core.databinding.UpdateValueStrategy;
020:        import org.eclipse.core.databinding.beans.BeansObservables;
021:        import org.eclipse.core.databinding.conversion.Converter;
022:        import org.eclipse.core.databinding.conversion.IConverter;
023:        import org.eclipse.core.databinding.conversion.NumberToStringConverter;
024:        import org.eclipse.core.databinding.conversion.StringToNumberConverter;
025:        import org.eclipse.core.databinding.observable.ChangeEvent;
026:        import org.eclipse.core.databinding.observable.IChangeListener;
027:        import org.eclipse.core.databinding.observable.value.IObservableValue;
028:        import org.eclipse.core.databinding.validation.IValidator;
029:        import org.eclipse.core.databinding.validation.ValidationStatus;
030:        import org.eclipse.core.internal.databinding.conversion.IdentityConverter;
031:        import org.eclipse.core.runtime.IStatus;
032:        import org.eclipse.core.runtime.Status;
033:        import org.eclipse.jface.databinding.swt.SWTObservables;
034:        import org.eclipse.jface.examples.databinding.model.Account;
035:        import org.eclipse.jface.examples.databinding.model.Adventure;
036:        import org.eclipse.jface.examples.databinding.model.Cart;
037:        import org.eclipse.jface.examples.databinding.model.SampleData;
038:        import org.eclipse.swt.SWT;
039:        import org.eclipse.swt.events.FocusEvent;
040:        import org.eclipse.swt.events.FocusListener;
041:        import org.eclipse.swt.widgets.Button;
042:        import org.eclipse.swt.widgets.Event;
043:        import org.eclipse.swt.widgets.Spinner;
044:        import org.eclipse.swt.widgets.Text;
045:
046:        import com.ibm.icu.text.NumberFormat;
047:
048:        /**
049:         * To run the tests in this class, right-click and select "Run As JUnit Plug-in
050:         * Test". This will also start an Eclipse instance. To clean up the launch
051:         * configuration, open up its "Main" tab and select "[No Application] - Headless
052:         * Mode" as the application to run.
053:         */
054:
055:        public class PropertyScenarios extends ScenariosTestCase {
056:
057:            private Adventure adventure;
058:
059:            protected void setUp() throws Exception {
060:                super .setUp();
061:                // do any setup work here
062:                adventure = SampleData.WINTER_HOLIDAY;
063:            }
064:
065:            protected void tearDown() throws Exception {
066:                // do any teardown work here
067:                super .tearDown();
068:            }
069:
070:            public void testEnterText() {
071:                // just to make sure enterText() generates a FocusOut event.
072:                Text text = new Text(getComposite(), SWT.BORDER);
073:                final boolean[] focusLostHolder = { false };
074:                text.addFocusListener(new FocusListener() {
075:
076:                    public void focusGained(FocusEvent e) {
077:                        // only interested in focus lost events
078:                    }
079:
080:                    public void focusLost(FocusEvent e) {
081:                        focusLostHolder[0] = true;
082:                    }
083:                });
084:                enterText(text, "hallo");
085:                assertTrue(focusLostHolder[0]);
086:            }
087:
088:            public void testScenario01() {
089:                Text text = new Text(getComposite(), SWT.BORDER);
090:                getDbc().bindValue(
091:                        SWTObservables.observeText(text, SWT.Modify),
092:                        BeansObservables.observeValue(adventure, "name"), null,
093:                        null);
094:
095:                // getDbc().bind(text, new Property(adventure, "name"), null);
096:                // uncomment the following line to see what's happening
097:                // spinEventLoop(1);
098:                assertEquals(adventure.getName(), text.getText());
099:                enterText(text, "foobar");
100:                // uncomment the following line to see what's happening
101:                // spinEventLoop(1);
102:                assertEquals("foobar", adventure.getName());
103:                adventure.setName("barfoo");
104:                // uncomment the following line to see what's happening
105:                // spinEventLoop(1);
106:                assertEquals("barfoo", text.getText());
107:            }
108:
109:            public void testScenario02() {
110:                // Binding the name property of an Adventure object to the contents of
111:                // Text controls, no conversion, no validation. The Text widget editable
112:                // is set to false.by the developer (can not change the name)
113:                Text text = new Text(getComposite(), SWT.READ_ONLY);
114:
115:                getDbc().bindValue(SWTObservables.observeText(text, SWT.None),
116:                        BeansObservables.observeValue(adventure, "name"), null,
117:                        null);
118:                assertEquals(adventure.getName(), text.getText());
119:            }
120:
121:            public void testScenario03() {
122:                // Binding of a read-only property of an Adventure object to the
123:                // contents of Text controls, no conversion, no validation. Text control
124:                // is not editable as a side effect of binding to a read-only property..
125:                Cart cart = SampleData.CART;
126:                cart.setAdventureDays(42);
127:                // bind to the lodgingDays feature, which is read-only and always one
128:                // less than the number of adventure days.
129:                Text text = new Text(getComposite(), SWT.BORDER);
130:
131:                System.out
132:                        .println("Expecting message about not being able to attach a listener");
133:                getDbc().bindValue(
134:                        SWTObservables.observeText(text, SWT.Modify),
135:                        BeansObservables.observeValue(cart, "lodgingDays"),
136:                        null, null);
137:
138:                assertEquals(new Integer(cart.getLodgingDays()).toString(),
139:                        text.getText());
140:            }
141:
142:            public void testScenario04() {
143:                // Binding a nested property of an Adventure object to the content of a
144:                // Text control, no conversion, no validation.
145:                Text text = new Text(getComposite(), SWT.BORDER);
146:                // TODO Scenario needs to be more specific - I'm binding to the default
147:                // lodging's description of an adventure. What do we expect to happen
148:                // when the default lodging changes? If we expect no change, then this
149:                // scenario does not introduce anything new. If we expect the binding to
150:                // be to the new default lodging's description, shouldn't we move this
151:                // scenario to the master/detail section? I'm assuming the latter for
152:                // now.
153:
154:                IObservableValue defaultLodging = BeansObservables
155:                        .observeDetailValue(realm, BeansObservables
156:                                .observeValue(adventure, "defaultLodging"),
157:                                "description", String.class);
158:
159:                getDbc().bindValue(
160:                        SWTObservables.observeText(text, SWT.Modify),
161:                        defaultLodging, null, null);
162:
163:                // test changing the description
164:                assertEquals(adventure.getDefaultLodging().getDescription(),
165:                        text.getText());
166:                enterText(text, "foobar");
167:                assertEquals("foobar", adventure.getDefaultLodging()
168:                        .getDescription());
169:                adventure.getDefaultLodging().setDescription("barfoo");
170:                assertEquals(adventure.getDefaultLodging().getDescription(),
171:                        text.getText());
172:
173:                // test changing the default lodging
174:                adventure.setDefaultLodging(SampleData.CAMP_GROUND);
175:                assertEquals(adventure.getDefaultLodging().getDescription(),
176:                        text.getText());
177:                adventure.getDefaultLodging().setDescription("barfo");
178:                assertEquals(adventure.getDefaultLodging().getDescription(),
179:                        text.getText());
180:
181:                adventure.setDefaultLodging(null);
182:                assertEquals("", text.getText());
183:
184:                adventure.setDefaultLodging(SampleData.FIVE_STAR_HOTEL);
185:                assertEquals(adventure.getDefaultLodging().getDescription(),
186:                        text.getText());
187:                adventure.getDefaultLodging().setDescription("barf");
188:                assertEquals(adventure.getDefaultLodging().getDescription(),
189:                        text.getText());
190:
191:            }
192:
193:            public void testScenario05() {
194:                // Binding the name property of an Adventure object to the contents of
195:                // Text controls where conversion occurs � the model data is held all
196:                // in
197:                // uppercase and displayed in lowercase with the first letter
198:                // capitalized.
199:                Text text = new Text(getComposite(), SWT.BORDER);
200:                adventure.setName("UPPERCASE");
201:
202:                IConverter converter1 = new IConverter() {
203:                    public Object getFromType() {
204:                        return String.class;
205:                    }
206:
207:                    public Object getToType() {
208:                        return String.class;
209:                    }
210:
211:                    public Object convert(Object toObject) {
212:                        String modelValue = (String) toObject;
213:                        if (modelValue == null || modelValue.equals("")) {
214:                            return modelValue;
215:                        }
216:                        String firstChar = modelValue.substring(0, 1);
217:                        String remainingChars = modelValue.substring(1);
218:                        return firstChar.toUpperCase()
219:                                + remainingChars.toLowerCase();
220:                    }
221:                };
222:                IConverter converter2 = new IConverter() {
223:                    public Object getFromType() {
224:                        return String.class;
225:                    }
226:
227:                    public Object getToType() {
228:                        return String.class;
229:                    }
230:
231:                    public Object convert(Object fromObject) {
232:                        return ((String) fromObject).toUpperCase();
233:                    }
234:                };
235:
236:                getDbc().bindValue(
237:                        SWTObservables.observeText(text, SWT.Modify),
238:                        BeansObservables.observeValue(adventure, "name"),
239:                        new UpdateValueStrategy().setConverter(converter2),
240:                        new UpdateValueStrategy().setConverter(converter1));
241:
242:                // spinEventLoop(1);
243:                assertEquals("Uppercase", text.getText());
244:                enterText(text, "lowercase");
245:                // spinEventLoop(1);
246:                // TODO If we wanted to "canonicalize" the value in the text field, how
247:                // could we do that?
248:                assertEquals("LOWERCASE", adventure.getName());
249:            }
250:
251:            public void testScenario06() {
252:                // Binding the name property of an Adventure object to the contents of
253:                // Text controls where validation occurs and the name cannot be longer
254:                // than 15 characters and cannot contain spaces
255:                Text text = new Text(getComposite(), SWT.BORDER);
256:                final String noSpacesMessage = "Name must not contain spaces.";
257:                final String max15CharactersMessage = "Maximum length for name is 15 characters.";
258:                adventure.setName("ValidValue");
259:
260:                IValidator validator = new IValidator() {
261:                    public IStatus validate(Object value) {
262:                        String stringValue = (String) value;
263:                        if (stringValue.length() > 15) {
264:                            return ValidationStatus
265:                                    .error(max15CharactersMessage);
266:                        } else if (stringValue.indexOf(' ') != -1) {
267:                            return ValidationStatus.cancel(noSpacesMessage);
268:                        } else {
269:                            return Status.OK_STATUS;
270:                        }
271:                    }
272:                };
273:
274:                //        BindSpec bindSpec = new DefaultBindSpec().setModelToTargetConverter(new IdentityConverter(String.class))
275:                //                .setTargetToModelConverter(new IdentityConverter(String.class))
276:                //                .addTargetValidator(BindingEvent.PIPELINE_VALUE_CHANGING, validator);
277:
278:                Binding binding = getDbc().bindValue(
279:                        SWTObservables.observeText(text, SWT.Modify),
280:                        BeansObservables.observeValue(adventure, "name"),
281:                        new UpdateValueStrategy().setConverter(
282:                                new IdentityConverter(String.class))
283:                                .setAfterGetValidator(validator),
284:                        new UpdateValueStrategy()
285:                                .setConverter(new IdentityConverter(
286:                                        String.class)));
287:
288:                // no validation message
289:                assertTrue(((IStatus) binding.getValidationStatus().getValue())
290:                        .isOK());
291:                enterText(text, "Invalid Value");
292:                assertEquals(noSpacesMessage, ((IStatus) binding
293:                        .getValidationStatus().getValue()).getMessage());
294:                assertEquals("ValidValue", adventure.getName());
295:                text.setText("InvalidValueBecauseTooLong");
296:                assertEquals(max15CharactersMessage, ((IStatus) binding
297:                        .getValidationStatus().getValue()).getMessage());
298:                assertEquals("ValidValue", adventure.getName());
299:                enterText(text, "anothervalid");
300:                assertTrue(((IStatus) binding.getValidationStatus().getValue())
301:                        .isOK());
302:                assertEquals("anothervalid", adventure.getName());
303:            }
304:
305:            public void testScenario07() {
306:                // Binding the price property of an Adventure to a Text control. Price
307:                // is a double and Text accepts String so conversion will have to occur.
308:                // Validation ensure that the value is positive
309:                Text text = new Text(getComposite(), SWT.BORDER);
310:                adventure.setPrice(5.0);
311:                final String cannotBeNegativeMessage = "Price cannot be negative.";
312:                final String mustBeCurrencyMessage = "Price must be a currency.";
313:
314:                IValidator validator = new IValidator() {
315:                    public IStatus validate(Object value) {
316:                        String stringValue = (String) value;
317:                        try {
318:                            double doubleValue = new Double(stringValue)
319:                                    .doubleValue();
320:                            if (doubleValue < 0.0) {
321:                                return ValidationStatus
322:                                        .error(cannotBeNegativeMessage);
323:                            }
324:                            return Status.OK_STATUS;
325:                        } catch (NumberFormatException ex) {
326:                            return ValidationStatus
327:                                    .error(mustBeCurrencyMessage);
328:                        }
329:                    }
330:                };
331:
332:                //Create a number formatter that will display one decimal position.
333:                NumberFormat numberFormat = NumberFormat.getInstance();
334:                numberFormat.setMinimumFractionDigits(1);
335:
336:                IConverter targetToModelConverter = StringToNumberConverter
337:                        .toDouble(numberFormat, true);
338:                IConverter modelToTargetConverter = NumberToStringConverter
339:                        .fromDouble(numberFormat, true);
340:
341:                getDbc()
342:                        .bindValue(
343:                                SWTObservables.observeText(text, SWT.Modify),
344:                                BeansObservables.observeValue(adventure,
345:                                        "price"),
346:                                new UpdateValueStrategy().setAfterGetValidator(
347:                                        validator).setConverter(
348:                                        targetToModelConverter),
349:                                new UpdateValueStrategy()
350:                                        .setConverter(modelToTargetConverter));
351:
352:                String expected = numberFormat.format(adventure.getPrice());
353:                assertEquals(expected, text.getText());
354:                assertTrue(AggregateValidationStatus.getStatusMaxSeverity(
355:                        getDbc().getBindings()).isOK());
356:
357:                String toEnter = numberFormat.format(0.65);
358:                enterText(text, toEnter);
359:                assertTrue(AggregateValidationStatus.getStatusMaxSeverity(
360:                        getDbc().getBindings()).isOK());
361:                assertEquals(0.65, adventure.getPrice(), 0.0001);
362:
363:                adventure.setPrice(42.24);
364:                expected = numberFormat.format(adventure.getPrice());
365:                assertEquals(expected, text.getText());
366:                assertTrue(AggregateValidationStatus.getStatusMaxSeverity(
367:                        getDbc().getBindings()).isOK());
368:
369:                enterText(text, "jygt");
370:                assertEquals(mustBeCurrencyMessage, AggregateValidationStatus
371:                        .getStatusMaxSeverity(getDbc().getBindings())
372:                        .getMessage());
373:
374:                toEnter = numberFormat.format(-23.9);
375:                enterText(text, toEnter);
376:                assertEquals(cannotBeNegativeMessage, AggregateValidationStatus
377:                        .getStatusMaxSeverity(getDbc().getBindings())
378:                        .getMessage());
379:                assertEquals(42.24, adventure.getPrice(), 0.0001);
380:
381:                adventure.setPrice(0.0);
382:                assertTrue(AggregateValidationStatus.getStatusMaxSeverity(
383:                        getDbc().getBindings()).isOK());
384:            }
385:
386:            public void testScenario08() {
387:                // Binding the price property of an Adventure to a Text control but with
388:                // custom conversion � the double will be validated to only have two
389:                // decimal places and displayed with a leading currency symbol, and can
390:                // be entered with or without the currency symbol.
391:                Text text = new Text(getComposite(), SWT.BORDER);
392:                adventure.setPrice(5.0);
393:                final String cannotBeNegativeMessage = "Price cannot be negative.";
394:                final String mustBeCurrencyMessage = "Price must be a currency.";
395:                final NumberFormat currencyFormat = NumberFormat
396:                        .getCurrencyInstance(Locale.CANADA);
397:
398:                IConverter toCurrency = new Converter(double.class,
399:                        String.class) {
400:                    public Object convert(Object toObject) {
401:                        return currencyFormat.format(((Double) toObject)
402:                                .doubleValue());
403:                    }
404:                };
405:
406:                IConverter toDouble = new Converter(String.class, double.class) {
407:                    public Object convert(Object fromObject) {
408:                        try {
409:                            return new Double(currencyFormat.parse(
410:                                    (String) fromObject).doubleValue());
411:                        } catch (ParseException e) {
412:                            // TODO throw something like
413:                            // IllegalConversionException?
414:                            return new Double(0);
415:                        }
416:                    }
417:                };
418:
419:                IValidator validator = new IValidator() {
420:                    public IStatus validate(Object value) {
421:                        String stringValue = (String) value;
422:                        try {
423:                            double doubleValue = currencyFormat.parse(
424:                                    stringValue).doubleValue();
425:                            if (doubleValue < 0.0) {
426:                                return ValidationStatus
427:                                        .error(cannotBeNegativeMessage);
428:                            }
429:                            return Status.OK_STATUS;
430:                        } catch (ParseException e) {
431:                            return ValidationStatus
432:                                    .error(mustBeCurrencyMessage);
433:                        }
434:                    }
435:                };
436:
437:                getDbc().bindValue(
438:                        SWTObservables.observeText(text, SWT.Modify),
439:                        BeansObservables.observeValue(adventure, "price"),
440:                        new UpdateValueStrategy().setConverter(toDouble)
441:                                .setAfterGetValidator(validator),
442:                        new UpdateValueStrategy().setConverter(toCurrency));
443:
444:                String expected = currencyFormat.format(5);
445:                assertEquals(expected, text.getText());
446:                assertTrue(AggregateValidationStatus.getStatusMaxSeverity(
447:                        getDbc().getBindings()).isOK());
448:
449:                String toEnter = currencyFormat.format(0.65);
450:                enterText(text, toEnter);
451:                assertTrue(AggregateValidationStatus.getStatusMaxSeverity(
452:                        getDbc().getBindings()).isOK());
453:                assertEquals(0.65, adventure.getPrice(), 0.0001);
454:
455:                adventure.setPrice(42.24);
456:                expected = currencyFormat.format(adventure.getPrice());
457:                assertEquals(expected, text.getText());
458:
459:                assertTrue(AggregateValidationStatus.getStatusMaxSeverity(
460:                        getDbc().getBindings()).isOK());
461:                enterText(text, "jygt");
462:                assertEquals(mustBeCurrencyMessage, AggregateValidationStatus
463:                        .getStatusMaxSeverity(getDbc().getBindings())
464:                        .getMessage());
465:
466:                toEnter = currencyFormat.format(-23.9);
467:                enterText(text, toEnter);
468:
469:                assertEquals(cannotBeNegativeMessage, AggregateValidationStatus
470:                        .getStatusMaxSeverity(getDbc().getBindings())
471:                        .getMessage());
472:                assertEquals(42.24, adventure.getPrice(), 0.0001);
473:                adventure.setPrice(0.0);
474:                assertTrue(AggregateValidationStatus.getStatusMaxSeverity(
475:                        getDbc().getBindings()).isOK());
476:            }
477:
478:            public void testScenario09() {
479:                // Binding a boolean property to a CheckBox. Adventure will have a
480:                // Boolean property �petsAllowed�
481:                Button checkbox = new Button(getComposite(), SWT.CHECK);
482:                // checkbox.setText("Pets allowed");
483:                // checkbox.setLayoutData(new GridData(SWT.LEFT,SWT.TOP, false,false));
484:                adventure.setPetsAllowed(true);
485:
486:                getDbc()
487:                        .bindValue(
488:                                SWTObservables.observeSelection(checkbox),
489:                                BeansObservables.observeValue(adventure,
490:                                        "petsAllowed"), null, null);
491:
492:                assertEquals(true, checkbox.getSelection());
493:                setButtonSelectionWithEvents(checkbox, false);
494:                assertEquals(false, adventure.isPetsAllowed());
495:                adventure.setPetsAllowed(true);
496:                assertEquals(true, checkbox.getSelection());
497:            }
498:
499:            public void testScenario10() {
500:                // Binding a Transportation departure time to a Text control that
501:                // formats and validates the time to and from a String. There are
502:                // property bindings that bind elements of the GUI to elements to GUI
503:                // and also elements of the domain to elements of the domain
504:                // TODO fail("not implemented");
505:            }
506:
507:            public void testScenario11() {
508:                // Binding the max value of a spinner to another spinner.
509:                Spinner spinner1 = new Spinner(getComposite(), SWT.NONE);
510:                spinner1.setSelection(10);
511:                spinner1.setMinimum(1);
512:                spinner1.setMaximum(100);
513:                Spinner spinner2 = new Spinner(getComposite(), SWT.NONE);
514:                spinner2.setMaximum(1);
515:
516:                getDbc().bindValue(SWTObservables.observeSelection(spinner1),
517:                        SWTObservables.observeMax(spinner2), null, null);
518:
519:                assertEquals(1, spinner1.getSelection());
520:                spinner1.setSelection(10);
521:                spinner1.notifyListeners(SWT.Modify, new Event());
522:                assertEquals(10, spinner2.getMaximum());
523:            }
524:
525:            public void testScenario12() {
526:                // Binding the enabled state of several Text controls to a check box.
527:                // There will be two check boxes, so as each is enabled/disabled the
528:                // other one follows as do the states of the Text controls.
529:                Button checkbox1 = new Button(getComposite(), SWT.CHECK);
530:                checkbox1.setSelection(false);
531:                Button checkbox2 = new Button(getComposite(), SWT.CHECK);
532:                checkbox2.setSelection(false);
533:                Text text1 = new Text(getComposite(), SWT.NONE);
534:                Text text2 = new Text(getComposite(), SWT.NONE);
535:
536:                IObservableValue checkbox1Selected = SWTObservables
537:                        .observeSelection(checkbox1);
538:                IObservableValue checkbox2Selected = SWTObservables
539:                        .observeSelection(checkbox2);
540:
541:                // bind the two checkboxes so that if one is checked, the other is not
542:                // and vice versa.
543:                Converter negatingConverter = new Converter(boolean.class,
544:                        boolean.class) {
545:                    private Boolean negated(Boolean booleanObject) {
546:                        return new Boolean(!booleanObject.booleanValue());
547:                    }
548:
549:                    public Object convert(Object targetObject) {
550:                        return negated((Boolean) targetObject);
551:                    }
552:                };
553:
554:                getDbc().bindValue(
555:                        checkbox1Selected,
556:                        checkbox2Selected,
557:                        new UpdateValueStrategy()
558:                                .setConverter(negatingConverter),
559:                        new UpdateValueStrategy()
560:                                .setConverter(negatingConverter));
561:
562:                // bind the enabled state of the two text widgets to one of the
563:                // checkboxes each.
564:
565:                getDbc().bindValue(SWTObservables.observeEnabled(text1),
566:                        checkbox1Selected, null, null);
567:                getDbc().bindValue(SWTObservables.observeEnabled(text2),
568:                        checkbox2Selected, null, null);
569:
570:                assertEquals(true, text1.getEnabled());
571:                assertEquals(false, text2.getEnabled());
572:                assertEquals(true, checkbox1.getSelection());
573:                setButtonSelectionWithEvents(checkbox1, false);
574:                assertEquals(false, text1.getEnabled());
575:                assertEquals(true, text2.getEnabled());
576:                assertEquals(true, checkbox2.getSelection());
577:                setButtonSelectionWithEvents(checkbox2, false);
578:                assertEquals(true, text1.getEnabled());
579:                assertEquals(false, text2.getEnabled());
580:                assertEquals(true, checkbox1.getSelection());
581:            }
582:
583:            public void testScenario13() {
584:                Text text = new Text(getComposite(), SWT.BORDER);
585:
586:                getDbc().bindValue(
587:                        SWTObservables.observeText(text, SWT.FocusOut),
588:                        BeansObservables.observeValue(adventure, "name"), null,
589:                        null);
590:
591:                // uncomment the following line to see what's happening
592:                // happening
593:                // spinEventLoop(1);
594:                String adventureName = adventure.getName();
595:                assertEquals(adventureName, text.getText());
596:                enterText(text, "foobar");
597:                // uncomment the following line to see what's happening
598:                // spinEventLoop(1);
599:                assertEquals("foobar", adventure.getName());
600:                adventure.setName("barfoo");
601:                // uncomment the following line to see what's happening
602:                // spinEventLoop(1);
603:                assertEquals("barfoo", text.getText());
604:            }
605:
606:            public void testScenario14() {
607:                Text t1 = new Text(getComposite(), SWT.BORDER);
608:                Text t2 = new Text(getComposite(), SWT.BORDER);
609:
610:                getDbc().bindValue(SWTObservables.observeText(t1, SWT.Modify),
611:                        BeansObservables.observeValue(adventure, "name"), null,
612:                        null);
613:                getDbc().bindValue(SWTObservables.observeText(t2, SWT.Modify),
614:                        BeansObservables.observeValue(adventure, "name"), null,
615:                        null);
616:
617:                final int[] counter = { 0 };
618:
619:                IObservableValue uv = BeansObservables.observeValue(adventure,
620:                        "name");
621:
622:                uv.addChangeListener(new IChangeListener() {
623:                    public void handleChange(ChangeEvent event) {
624:                        // Count how many times adventure has changed
625:                        counter[0]++;
626:                    }
627:                });
628:
629:                String name = adventure.getName() + "Foo";
630:                enterText(t1, name);
631:                assertEquals(name, adventure.getName());
632:                assertEquals(name, t2.getText());
633:                assertTrue(counter[0] == 1);
634:
635:                name = name + "Bar";
636:                uv.setValue(name);
637:                assertEquals(t1.getText(), adventure.getName());
638:                assertEquals(2, counter[0]);
639:
640:            }
641:
642:            public void testScenario15() {
643:                Text text = new Text(getComposite(), SWT.NONE);
644:                Account account = new Account();
645:                account.setExpiryDate(new Date());
646:
647:                Binding b = getDbc().bindValue(
648:                        SWTObservables.observeText(text, SWT.Modify),
649:                        BeansObservables.observeValue(account, "expiryDate"),
650:                        null, null);
651:                Text errorText = new Text(getComposite(), SWT.NONE);
652:
653:                getDbc().bindValue(
654:                        SWTObservables.observeText(errorText, SWT.Modify),
655:                        b.getValidationStatus(),
656:                        new UpdateValueStrategy(false,
657:                                UpdateValueStrategy.POLICY_NEVER), null);
658:                assertTrue(((IStatus) b.getValidationStatus().getValue())
659:                        .isOK());
660:                enterText(text, "foo");
661:                assertFalse(((IStatus) b.getValidationStatus().getValue())
662:                        .isOK());
663:            }
664:        }
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